Tours of a Lifetime -- National Geographic

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50 of the World's Best Guided Expeditions

The golden age of exploration continues: 125 years after the birth of National Geographic, after Hiram Bingham rediscovered Machu Picchu, after Jane Goodall observed that chimps fashioned their own tools, after Spencer Wells used genetic data to trace the human family tree, explorers continue to extend the frontiers of geography and science. Travelers have joined the movement, pushing beyond the boundaries of mainstream tourism, exploring the planet as never before. To commemorate the occasion, we scoured the globe for the guided trips that best embody this inquisitive spirit for Traveler's eighth annual "50 Tours of a Lifetime." Ready? Set? Explore.

Find the Best Tours Around the World

Tips for Planning a Tour

Tips for Planning a Trip With Kids

How to plan—and enjoy—a complex trip with the whole family.
How to: Stay Healthy on the Road

Ten tips for keeping fit while traveling.
For Women Who (Want to) Travel Alone

Traveling alone can be exhilarating, but daunting—especially for women. Read these tips for a smooth trip.
Tips for Taking Your Kids on Safari

Get the most out of your family safari vacation with this advice from someone who's been there.
How to Survive a Long Flight

Advice to make the most of your extended airplane ride.
Four Smart Questions to Ask Your Outfitter

Experts advise what to ask when selecting a tour outfitter.
How to Get a Bargain

Check out these strategies for landing the best deal on your guided tour.
Understanding "Tour Speak"

Knowing the jargon of tour operators will help in planning your trip.